An Introduction to Algebra Upon the Inductive Method of InstructionCummings, Hilliard, 1826 - 276 σελίδες |
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Σελίδα 10
... Observe that the signs and affect the numbers which they stand immediately before , and no others . Thus 14-6816 ; and 14 +86 = 16 ; and 86 + 14 = 16 ; and , in fine , -6 + 8 + 14 16. In all these cases the 6 only is to be subtracted ...
... Observe that the signs and affect the numbers which they stand immediately before , and no others . Thus 14-6816 ; and 14 +86 = 16 ; and 86 + 14 = 16 ; and , in fine , -6 + 8 + 14 16. In all these cases the 6 only is to be subtracted ...
Σελίδα 15
... Observe , that 3x is the same as of 3x . Now if of 3 x 4 is 45 , 3 x itself must be 4 times 45 , or 180 ; 3 x being 180 , x must be of 180 , which is 60 . 2. A man , being asked his age , answered , that if its half and its third were ...
... Observe , that 3x is the same as of 3x . Now if of 3 x 4 is 45 , 3 x itself must be 4 times 45 , or 180 ; 3 x being 180 , x must be of 180 , which is 60 . 2. A man , being asked his age , answered , that if its half and its third were ...
Σελίδα 18
... Observe , the second put in 3 of what the first put in , and the third put in § . 25. Three men traded together ; the first put in $ 700 , the second $ 450 , and the third $ 950 . They gained $ 420 . What was the share of each ? Observe ...
... Observe , the second put in 3 of what the first put in , and the third put in § . 25. Three men traded together ; the first put in $ 700 , the second $ 450 , and the third $ 950 . They gained $ 420 . What was the share of each ? Observe ...
Σελίδα 21
... Observe , that after the question is put into equation , the pur- pose is to make x stand alone in one member of the equation , equal to a known quantity in the other member , then the value of x is found . In the preceding examples in ...
... Observe , that after the question is put into equation , the pur- pose is to make x stand alone in one member of the equation , equal to a known quantity in the other member , then the value of x is found . In the preceding examples in ...
Σελίδα 34
... Observe that 68- x Therefore if I subtract 68 from 84 , I shall subtract too much by the quantity x , and I must add to obtain the true result . Then we have 84 and 68 - x . ---- 68 + x for the difference between 84 The excess of 40 ...
... Observe that 68- x Therefore if I subtract 68 from 84 , I shall subtract too much by the quantity x , and I must add to obtain the true result . Then we have 84 and 68 - x . ---- 68 + x for the difference between 84 The excess of 40 ...
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Άλλες εκδόσεις - Προβολή όλων
An Introduction to Algebra: Upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1837 |
An Introduction to Algebra Upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1826 |
An Introduction to Algebra Upon the Inductive Method of Instruction Warren Colburn Πλήρης προβολή - 1831 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 rods 3d power 3d root 5th power a b c A's share a² b² a² b³ added algebra algebraic quantities apples approximate root Arithmetic becomes binomial Binomial Theorem bought breadth bushels cents apiece coefficient compound interest compound quantities contain decimal denominator difference divide the number dividend divisor equal equation example exponent expressed factor figure formula found by multiplying fourth fraction gallons gives greater Hence horse length less Let the learner letter logarithm merator miles multiplicand number of dollars number of terms observe pears quan question quotient remainder required to find rods rule second power second root second term shillings sold subtracted Suppose third power third root tities Transposing twice unknown quantity whole number yards zero
Δημοφιλή αποσπάσματα
Σελίδα 4 - District Clerk's Office. BE IT REMEMBERED, That on the seventh day of May, AD 1828, in the fifty-second year of the Independence of the UNITED STATES OF AMERICA, SG Goodrich, of the said District, has deposited in this office the...
Σελίδα 236 - The sum of all the terms. Any three of which being given, the other two may be found.
Σελίδα 101 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Σελίδα 271 - Divide the number 49 into two such parts, that the quotient of the greater divided by the less, may be to the quotient of the less divided by the greater as i to |. 29.
Σελίδα 33 - B gained a sum less by £40 than twice the sum A had lost ; when it appeared that B had twice as much money as A. What money did each begin with ? Let x be the number of pounds each had at first.
Σελίδα 92 - It will be seen by the above section that if both the numerator and denominator be multiplied by the same number, the value of the fraction will not be altered...
Σελίδα 186 - The 3d power of (2 a — d)4 is (2 a That is, any quantity, which is already a power of a compound quantity, may be raised to any power by multiplying its exponent by the exponent of the power to which it is to be raised. 1. Express the 2d power of (3 6 — c)4. 8. Express the 3d power of (a — c + 2 d)'. 9. Express tjie 7th power of (2 a
Σελίδα 276 - At the 50th mile stone from London, A overtook a drove of geese which were proceeding at the rate of three miles in two hours ; and two hours afterwards met a stage waggon, which was moving at the rate of 9 miles in 4 hours.
Σελίδα 81 - Hence we derive the following RULE. Divide the coefficient of the dividend by the coefficient of the divisor, and strike out the letters of the divisor from the dividend.
Σελίδα 269 - A farmer has a stack of hay, from which he sells a quantity, which is- to the quantity remaining in the proportion of 4 to 5. He then uses 15 loads, and finds that he has a quantity left, which is to the quantity sold as 1 to 2. How many loads did the stack at first contain ? 10.